Check out this exhaustive guide, covering how to behave if you're the first human to come in contact with an alien. Handy tips include: "First things first, hold the @!&#;$ still."

This incredibly handy guide is quite similar to the Time Traveler Essentials T-shirt by Dinosaur Comics, but appear to be made by a different person, someone named ian@union.io. Luckily, the rules seem equally spot-on.